MEGAN DIMINICH MCWILLIAMS PA
NPI 1326418781
Physician Assistant in New York, NY
About Megan Diminich Mcwilliams Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEGAN DIMINICH MCWILLIAMS PA (NPI 1326418781) is an individual physician assistant in New York, New York, licensed in New York (033094) and active in the NPI registry since September 2015. She is enrolled in Medicare PECOS and maintains a secondary practice location in Charleston.
NPPES Registry Identity
Specialties & Licenses
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Megan Diminich Mcwilliams Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10017 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Megan Mcwilliams's NPI number?
The NPI number for Megan Mcwilliams is 1326418781. It was assigned to this individual provider in the NPPES registry on September 29, 2015. The provider is also known as Abigail Megan Diminich PA.
Where is Megan Mcwilliams located?
Megan Mcwilliams practices at 489 5th Ave Fl 3, New York, NY 10017. The listed phone number is (888) 663-6331.
What is Megan Mcwilliams's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Megan Mcwilliams enrolled in Medicare?
Yes. Megan Mcwilliams is registered in the Medicare PECOS enrollment system.
What insurance does Megan Mcwilliams accept?
Health plans from First Choice Next and Molina Healthcare list Megan Mcwilliams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Megan Mcwilliams was last updated on February 6, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.